EP1930559A2 - Kipphebel mit installiertem Modul - Google Patents

Kipphebel mit installiertem Modul Download PDF

Info

Publication number
EP1930559A2
EP1930559A2 EP07023073A EP07023073A EP1930559A2 EP 1930559 A2 EP1930559 A2 EP 1930559A2 EP 07023073 A EP07023073 A EP 07023073A EP 07023073 A EP07023073 A EP 07023073A EP 1930559 A2 EP1930559 A2 EP 1930559A2
Authority
EP
European Patent Office
Prior art keywords
rocker arm
housing
drop
disposed
cam shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07023073A
Other languages
English (en)
French (fr)
Other versions
EP1930559B1 (de
EP1930559A3 (de
Inventor
Naoyuki Yamamoto
Masahide Sakurai
Tomoki Miyoshi
Naoki Hiramatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otics Corp
Original Assignee
Otics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Otics Corp filed Critical Otics Corp
Publication of EP1930559A2 publication Critical patent/EP1930559A2/de
Publication of EP1930559A3 publication Critical patent/EP1930559A3/de
Application granted granted Critical
Publication of EP1930559B1 publication Critical patent/EP1930559B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2107—Follower

Definitions

  • the present invention has been achieved in views of the above-described conventional problems and intends to provide a rocker arm installed module which can be formed into a module by installing a cam shaft, a rocker arm and a pivot onto a housing while preventing the rocker arm from dropping off.
  • the rocker arm installed module of the second aspect of the present invention is also so constructed by installing the cam shaft, the rocker arm and the pivot to the housing. Then, by disposing the housing in this installed state to the cylinder head, the stem front end portion of the engine valve which is disposed slidably on the cylinder head can be engaged with the rocker arm in the housing, so as to form a valve opening and closing mechanism for an engine.
  • the cam shaft includes a plurality of the cams, a plurality of the rocker arms are disposed in parallel along the axial direction of the cam shaft corresponding to the quantity of the cams, and the inserted drop-off preventing means include an inserted drop-off preventing pin which is provided in the housing in parallel to the cam shaft and capable of preventing a plurality of the rocker arms from dropping off.
  • a suction side cam shaft 3A which rocks the rocker arm 4 for opening and closing the suction valve 7A disposed on the suction port 62A and an exhaust side cam shaft 3B which rocks the rocker arm 4 for opening and closing the exhaust valve 7B disposed on the exhaust port 62B are provided.
  • the suction side cam shaft 3A is provided with a plurality of the cams 31 corresponding to the quantity of the suction side rocker arms 4A
  • the exhaust side cam shaft 3B is provided with a plurality of the cams 31 corresponding to the quantity of the exhaust side rocker arms 4B.
  • the rocker arm 4 drives the roller 42 with a rotation of the cam 31 and rocks vertically around the pivot 5 so as to open/close the engine valve 7.
  • the rocker arm installed module 1 can be installed separately from the cylinder head 6 and can be carried individually. Further, the housing 2 is provided with the aforementioned drop-off preventing projection 21.
  • the rocker arm 4 is disposed among the cam 31 of the cam shaft 3, the pivot 5 and the drop-off preventing projection 21. Consequently, the rocker arm 4 is supported from a lower position by the pivot 5 and the drop-off preventing projection 21, so that it is prevented from dropping off upward by the cam 31.
  • the rocker arm installed module 1 can prevent the rocker arm 4 from dropping off of the housing 2.
  • the housing 2 of this embodiment is provided with the inserted drop-off preventing pin 26 for supporting the rocker arm 4 of which an end is disposed on the pivot 5 from dropping off within a rocking range when the rocker arm 4 is actuated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP07023073A 2006-12-05 2007-11-28 Kipphebel mit installiertem Modul Not-in-force EP1930559B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006328601A JP4611964B2 (ja) 2006-12-05 2006-12-05 ロッカアーム組付モジュール

Publications (3)

Publication Number Publication Date
EP1930559A2 true EP1930559A2 (de) 2008-06-11
EP1930559A3 EP1930559A3 (de) 2010-07-28
EP1930559B1 EP1930559B1 (de) 2011-11-02

Family

ID=39156675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07023073A Not-in-force EP1930559B1 (de) 2006-12-05 2007-11-28 Kipphebel mit installiertem Modul

Country Status (4)

Country Link
US (1) US7779803B2 (de)
EP (1) EP1930559B1 (de)
JP (1) JP4611964B2 (de)
AT (1) ATE531902T1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477388A (en) * 2010-01-27 2011-08-03 Gm Global Tech Operations Inc Securing device for installing a rocker arm
DE102013102150A1 (de) * 2013-03-05 2014-09-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung
DE102013102149A1 (de) * 2013-03-05 2014-09-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8820277B2 (en) * 2011-03-08 2014-09-02 GM Global Technology Operations LLC Engine assembly including cylinder head oil gallery
JP6236739B2 (ja) * 2013-10-25 2017-11-29 スズキ株式会社 内燃機関
FR3140905A1 (fr) * 2022-10-18 2024-04-19 Psa Automobiles Sa Culasse de moteur a combustion interne avec soupapes commandees par arbres a cames et linguets

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61279710A (ja) 1985-06-06 1986-12-10 Honda Motor Co Ltd 内燃機関

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773311U (de) * 1980-10-22 1982-05-06
US4505236A (en) * 1982-06-01 1985-03-19 Nissan Motor Company, Limited Valve operating arrangement of an internal combustion engine
JPS59157505U (ja) * 1983-03-07 1984-10-23 マツダ株式会社 エンジンの動弁装置
JPS6316109A (ja) * 1986-07-08 1988-01-23 Honda Motor Co Ltd 四サイクル内燃機関の動弁装置
JPS6440250A (en) * 1987-08-06 1989-02-10 Honda Motor Co Ltd Inserting device for rocker arm shaft
JPH04137204U (ja) * 1991-06-18 1992-12-21 本田技研工業株式会社 油圧駆動弁機構におけるアクチユエータ脱落防止構造
JP2515667B2 (ja) * 1992-05-21 1996-07-10 本田技研工業株式会社 ロッカア―ムの組付方法
JP2624165B2 (ja) * 1994-03-31 1997-06-25 三菱自動車工業株式会社 ロッカアームの支持構造
JPH0749007A (ja) * 1994-03-31 1995-02-21 Mitsubishi Motors Corp エンジンのシリンダヘッド構造
DE19504637C2 (de) * 1995-02-13 2000-06-08 Daimler Chrysler Ag Anordnung zur Lagerung einer Nockenwelle und mehrerer Steuerelemente zur Gaswechselsteuerung an einer Brennkraftmaschine
IT1302601B1 (it) * 1998-10-05 2000-09-29 Eaton Automotive Spa Bilanciere dotato di elemento idraulico nel fulcro per un treno dicomando di valvole.
JP2002038909A (ja) * 2000-07-25 2002-02-06 Toyota Motor Corp 動弁装置
JP3777301B2 (ja) * 2000-12-04 2006-05-24 本田技研工業株式会社 車両用多気筒エンジン
US8087391B2 (en) * 2003-06-26 2012-01-03 Tores Lawrence S Apparatus and methodology for rocker arm assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61279710A (ja) 1985-06-06 1986-12-10 Honda Motor Co Ltd 内燃機関

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477388A (en) * 2010-01-27 2011-08-03 Gm Global Tech Operations Inc Securing device for installing a rocker arm
GB2477388B (en) * 2010-01-27 2015-02-18 Gm Global Tech Operations Inc Installing a rocker arm
DE102013102150A1 (de) * 2013-03-05 2014-09-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung
DE102013102149A1 (de) * 2013-03-05 2014-09-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung
DE102013102149B4 (de) 2013-03-05 2024-06-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schlepphebelanordnung

Also Published As

Publication number Publication date
ATE531902T1 (de) 2011-11-15
JP4611964B2 (ja) 2011-01-12
JP2008138645A (ja) 2008-06-19
EP1930559B1 (de) 2011-11-02
US20080127923A1 (en) 2008-06-05
EP1930559A3 (de) 2010-07-28
US7779803B2 (en) 2010-08-24

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